Air conditioner



FIG. 1 is a top, bottom, left-side perspective view of an air conditioner showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right-side elevational view thereof, the left side elevational view being mirror symmetrical thereto;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for an air conditioner, as shown and described. 